Question

i) Light always travels in a ____________..
(ii) Change in direction of light after striking a polished surface is called ____________.(iii) The phenomenon of left appearing right and right appearing left on reflection from a mirror is called _____________.
(iv) Real images are always ____________ while virtual images are always __________.(erect/inverted)(v) The reflecting side of a concave mirror curves ____________ while the reflecting side of a convex mirror curves ______________ (inwards/outwards)
(vi) Concave mirrors from ____________ and ____________ images whereas the image formed by a convex mirror is always ____________ (real/virtual)
(vii) ____________ mirrors are used as rear/side view mirrors and ____________ mirrors are used as reflectors of headlights of vehicles.
(viii) A ____________ lens converges rays of light falling on it hence it is also called a____________ lens.
(ix) A concave lens always forms a ____________ (real/virtual) image which is____________ (erect/inverted) and ____________ (smaller/bigger) than the object.
(x) Formation of shadows suggest that light travels in __________ lines.
(xi) A __________ lens is thicker in the middle and tapering at the edges

Answer 1

Answer:

1. Straight line path

2. reflection of light

3. lateral inversion

4. inverted and upright or erect

5. outwards and inwards

6. real and virtual and virtual

7. convex and concave

8. convex

9. virtual and erect and smaller

10. straight line

11. convex lens

Answer 2

Answer:

Light Always travels in a straight line